A multifunctional chitosan-derived conformal coating for the preservation of passion fruit
文献类型： 外文期刊
作者： Zhou, Yifan 1 ; Zhong, Yixin 1 ; Li, Ling 1 ; Jiang, Kai 2 ; Gao, Jia 3 ; Zhong, Kai 1 ; Pan, Mingfei 4 ; Yan, Bin 1 ;
作者机构： 1.Sichuan Univ, Coll Biomass Sci & Engn, Natl Engn Lab Clean Technol Leather Manufacture, Chengdu 610065, Peoples R China
2.Southern Univ Sci & Technol SUSTech, SUSTech Acad Adv & Interdisciplinary Studies, Shenzhen 518055, Guangdong, Peoples R China
3.Sichuan Acad Agr Sci, Inst Agroprod Proc Sci & Technol, Chengdu 610066, Peoples R China
4.Univ Alberta, Dept Chem & Mat Engn, Edmonton, AB T6G 1H9, Canada
关键词： Chitosan; Tannic acid; Coating; Preservation; Washability
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.056； 五年影响因子：6.295 ）
ISSN： 0023-6438
年卷期： 2022 年 163 卷
页码：
收录情况： SCI
摘要： A third of all fruits are wasted at the agricultural and postharvest stages before reaching the consumer. This spoilage issue is particularly common for respiratory climactic fruit such as Passion fruit, as it possesses a very short shelf life due to dehydration and microbial growth, greatly limiting its storage, transportation and marketing. In order to solve the problem of fruit spoilage, this work developed a multifunctional biomass-derived conformal coating from quaternary ammonium based water-soluble chitosan (WSC) and tannic acid (TA). The coating material has excellent transparency, toughness, UV resistance, antibacterial ability, oxidation resistance and washability. The experiment showed that the coated passion fruit exhibited an apparent retardation effect in weight loss, shrinkage index, and firmness, prolonging the shelf life 7 days longer. These results suggest that the WSC/TA composite coating could effectively prevent oxygen oxidation and water loss, and delay fruit ripening, showing good potential in fruit preservation, especially in the preservation quality and economic benefits of passion fruit.
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